Gas boilers make a sharp noise when switching from low to high heat

2019-12-04View Original

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10t gas boiler, equipped with a Liyalu low-nitrogen burner. When switching from low heat to high heat, a harsh screeching sound is produced; after that, there are no abnormal noises. What could be the cause, and what should be done?

Reply #22019-12-04

10t gas boiler, equipped with a Liyalu low-nitrogen burner and an economizer. When switching from low heat to high heat, a harsh screeching sound is produced; after that, there are no abnormal noises. What could be the cause, and how should it be addressed?

Reply #32019-12-06

This is a problem with the burner; please call the burner manufacturer for consultation

Reply #42020-07-20

Whistling is usually caused by an inappropriate gas pressure, and the burner manufacturers will generally make adjustments

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Gas boilers make a sharp noise when switching from low to high heat

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